Supination is a normal motion involving movement of several joints in 3 different planes. It is known as the tendency to transfer body weight onto the outer border of the foot during ambulation. In a supinated foot, pronation does take place but weight remains on the outer border of the foot. A supinated foot may be associated with bow leggedness, increased tendency to sprain ankles, a bump on the back of the heel (Haglund’s Deformity)¬†and high arches.

Oversupination may also be a contributing factor to the following conditions:
Heel pain or calcaneal spurs
– Peroneal tendonitis
– Tailors bunion (5th toe)

Courtesy of Delcam Uk